A Monograph on the Sub-class Cirripedia (Volume 1 of 2)Note 3 — Class—CRUSTACEA. Sub-Class—CIRRIPEDIA.Reading editionThe meaning of this and all other terms is given in the Introduction, at pp. 3-7.◇Copy noteReturn to Class—CRUSTACEA. Sub-Class—CIRRIPEDIA.Return to Class—CRUSTACEA. Sub-Class—CIRRIPEDIA.